Part 1:
We have rivh experiences on manufacturing single screw and barrel for injection molding machine., and handing material for PE, HDPE, PMMA, CPVC, UPVC, PC, Bakelite, material compound nyl; On & glasss fiber etc.
A injection molding machine screw barek st\et contains screrw, screw head, checvk ring, non return valve, barel, nozzle and flanger. We can provide customers accessories according to customers' requirements Of course, screw can be designed according to different plastic material and nozzle!
Part 2:
Our Production Process:
Receiving orders — > Designing & Drawing confirmation — > Blanking Thermal refining — > Heat treatment — > Rough Turning — > Polishing — > Drilling for barrel — > Semi Finishing Machining — > Bimetallic welding — > Centrifugal casting for barrel — > Polishing — > Nitriding treatment(120 hours) or High frequency quenching — > Hard-chrome plating — > O. D. Grinding — > Honing for barrel — > Alignment — > Polishing — > Inspecting — > Packing & Shipping
Part 3:
Production MainTechnical information:
1. Base materials:
1) 38CrMoAlA (JIS SACM645)
2) 42CrMo (AISI 4140)
3 ) 4Cr5MoSi V1 (JIS SKD-61)
4 ) DC53 (JIS G4404)
5) Cr12MoV (SKD11)
6) 9Cr18MoV
2. Bimetallic alloy materials:
1) Ni-based alloy/Deloro alloy
2) Fe-based alloy
3) Co-based alloy
4) NiCo-based alloy
5) Tungsten carbide/Wolfram carbide
3. Processing technics:
1) Heat treatment
2) High-frequency quenching
3) Nitriding treatment
4) Bimetallic alloy welding
5) Bimetallic alloy centrifugal casting
6) Hard-chrome electroplating
4. Technical parameters:
1) Nitriding layer depth: 0.5-0.8mm
2) Nitrided Hardness: 900-1000HV (HRC 55-65)
3) Nitrided brittleness: Less than grade 1
4) Surface roughness: Ra 0.4
5) Linearity of screw: 0.015mm
6) Bimetallic layer depth: ≥ 3 mm
7) Bimetallic layer hardness: HRC 55-70
8) Hard-chrome plating hardness after nitriding: ≥ 950HV
9) Chrome-plating layer depth: 0.03-0.1mm
Part 4:
In order to keep high quality, we built quality control system strictly follow ISO9001: 2008 international Quality System and kept effective operating. As a result of our high quality products and outstanding customer services, we have gained a global sales network reachi9ng Middle East, Southeast Asia, Eastern Europe, Africa, South America etc.
With the JinLi spirit of "based on honesty, build a win-win situation", in the past 20 years, we developed together with customers. We believe our unremitting efforts will help us win greater marks and play a bigger role in this field in the future.
Welcome to contact us, your satisfaction is the best award for us.
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Injection molding screw barrel specification: |
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Diameter: Φ15mm-Φ250mm |
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Mould clamping force: 200T–3500Tcrew can be designed according to different plastic material and nozzle! |
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Shot weight: 25G–30000G |
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We have full experiences on handling material for PMMA, CPVC, RPVC, bakelite, material compound nylon & glass fiber etc. |
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Screw structure can be designed according to different material and customer requirement! |
Zhoushan Jinli Screw Industry Co., Ltd was established in the year of 1998, we are a professional manufacturer of designing, researching and manufacturing all kinds of screws, barrels and other accessories for plastic and rubber machinery.
Our company is located in Zhoushan city, it covers an area of 12000sqm and has over 100 employees. We are well equipped with a variety of advanced machines, experienced R&D team, strict quality control system and perfect after-sale service. These conditions are ensuring us best quality and creating more and more long-term customers.
In order to keep high quality, we built quality control system strictly follow ISO9001: 2008 international Quality System and kept effective operating. As a result of our high quality products and outstanding customer services, we have gained a global sales network reaching Middle East, Southeast Asia, Eastern Europe, Africa, South America etc.
With the JinLi spirit of "based on sincerity, build a win-win situation", in the past twenty years, we developed together with customers. We believe our unremitting efforts will help us win greater markets and play a bigger role in this field in the future.
